Main material: solid brass or solid stainless steel 60mm, 70mm, 85mm, 90mm, 95mm, 100mm, 127mm backsets for your selection Door thickness ranging from 35mm to 50mm are available "Yale" keyway is standard, other keyway options such as "Kwikset" are available upon request Finish: AB, AC, BN, BP, PB, SB, SS, SP, SB/PB, SS/SP, AB/SB, AB/SS, AC/SS, BN/GP, SB/SP, SN/GP, SBN Packing: paper box or blister packing